Senior Fullstack Web Developer (AI)

TL;DR

Senior Fullstack Web Developer (AI): Creating robust fullstack applications with AI integration using React, Node.js/TypeScript, and AWS infrastructure with an accent on LLM integration, RAG workflows, and scalable systems. Focus on designing AI-driven features, optimizing performance and costs, and ensuring high availability under production loads.

Location: Remote (Brazil)

Company

Tech transformation specialists uniting human expertise with AI to create scalable solutions, partnering with over 1,000 clients worldwide for 30 years.

What you will do

• Collaborate with cross-functional teams to design software architecture including AI-driven features.
• Lead development of high-quality applications and AI workflows with LLMs.
• Provide technical guidance on fullstack best practices and AI implementation.
• Work with architects on reliable, scalable systems incorporating machine learning models.
• Gather requirements and identify AI automation opportunities.
• Troubleshoot complex issues across the full stack.

Requirements

• Advanced English proficiency required for global communication.
• Design, develop, maintain React JS apps and REST APIs with TypeScript/Node focusing on scalability.
• Implement AI features including LLM integration (OpenAI, Anthropic, AWS Bedrock), prompt engineering, RAG.
• Deep AWS knowledge: DynamoDB, API Gateway, Lambda, S3, IAM for AI model deployment.
• CI/CD, monitoring AI performance/costs, code reviews.
• Bachelor’s in CS/Engineering or equivalent + proven fullstack/AI integration experience.

Nice to have

• Experience with vector databases (Pinecone, Weaviate, pgvector).
• Triggering emails with Braze and Segment.

Culture & Benefits

• Health, dental insurance, life insurance.
• Meal/food allowance, childcare assistance, extended paternity leave.
• Partnerships with gyms (Wellhub/Gympass), wellness platforms.
• Profit sharing (PLR), continuous learning (hirify.global University), language platforms.
• Discount club, well-being programs, pregnancy/parenting courses.
• Inclusion support for disabilities, affinity groups.